A group of different tissues working together to perform a particular job

an organ

Explanation:

Because organs work together as a group of diferent tissues to make your body strong;)

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answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

"globalization has greatly impacted the united states and american citizens. first and foremost, globalization has spread american influence throughout the world. globalization has opened up more markets for the united states, which in effect american companies sell their products worldwide. there has been a rise of multinational corporations and their influence has greatly increased."